CVE-2024-40711 Veeam Backup and Replication Deserialization
Unauthenticated attackers can achieve remote code execution via deserialization of untrusted data in Veeam Backup and Recovery.
- Exploited in the wild
- Since 17 Oct 2024
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2024-40711?
CVE-2024-40711 is a critical unsafe deserialization vulnerability in Veeam Backup and Recovery, published on 7 Sep 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A deserialization of untrusted data vulnerability with a malicious payload can allow an unauthenticated remote code execution (RCE).
Weakness: CWE-502
Which versions are affected by CVE-2024-40711?
It affects 1 product.
Products include Veeam Veeam Backup \& Replication.
How do I fix CVE-2024-40711?
No fix has been published for CVE-2024-40711 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 7 Nov 2024.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2024-40711 being exploited?
Yes. Attackers have exploited CVE-2024-40711 in the wild since at least 17 Oct 2024, including in ransomware campaigns.
Public exploit code: 1 Nuclei template and 2 proofs of concept on GitHub.
Other vulnerabilities in Veeam Backup and Recovery
- CVE-2022-26501 Veeam Backup & Replication Remote Code Execution
- CVE-2022-26500 Veeam Backup & Replication Remote Code Execution
- CVE-2023-27532 Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function
- CVE-2026-21666 Missing authorization in Backup and Replication
- CVE-2026-21667 Missing authorization in Backup and Replication
Sources
Also known as GHSA-c76v-gjqc-j462.